Dr LUT - Lookup Table Generator 
Online tool written in C/C++ that generates waveforms and exports them as arrays.
Online version: https://ppelikan.github.io/drlut
Features:
- live editing of waveform formula (C/C++ compatible syntax)
- available waveform presets:
- zeros, sin, cos, tan, ctan, sawtooth, triangle, white noise, gauss, hamming, hann, bartlett, flat top, sigmoid
- available output array formats:
- signed: int8, int16, int32, float (double)
- unsigned: uint8, uint16, uint32
- configurable amplitude and y-axis offset
- selectable int range behaviour:
- overflow or saturation
- selectable array output format:
- hexadecimal or decimal
todo:
* add array size computation in bytes/kbytes/megabytes and widget to display it
* "warning: 'BeginPlot' is deprecated"
* fix broken comments for formulas containing `\n` characters (buildLut() function)
* NaN and INF warning should be shown if detected (before type casting)
* fix clipboard (Ctrl+C and Ctrl+V) on web target
* add include guards to generated headers
Building
Portable version (use this for debuging):
Tool installation:
sudo apt-get install gcc make libglfw3-dev libgles2-mesa-dev
git clone https://github.com/ocornut/imgui.git
git clone https://github.com/epezent/implot.git
Building:
cd drlut
make portable
./build/portable/app_executable
Web WASM Emscripten version (for release deployment):
Tool installation:
sudo apt-get install cmake python3
git clone https://github.com/emscripten-core/emsdk.git
cd emsdk
git pull
./emsdk install latest
./emsdk activate latest
Building:
cd drlut
source 'path_to_your_emscripten_installation/emsdk/emsdk_env.sh'
make web
make serve